Kinds of atoms, elements and compounds
10 important questions on Kinds of atoms, elements and compounds
Is a metal a element?
How many elements are there we call metals?
What are the 4 characteristics that all metals have in common?
- conduct heat and electricity
- are malleable, especially when they are hot
- can, when molten, be mixed with other metals
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Based on their resistance to corrosion in which 4 groups can we distinguish the metals?
Why do (very) reactive metals rarely have a shiny surface?
What are light metals?
Why is titanium suitable material for supersonic aviation and space travel?
What are compouns, containing a number of heavy metals?
What can differ from a alloy or the separate mixture?
melting point of alloy can differ greatly with separate metals
What is the melting fuse?
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